73365609 has 8 divisors (see below), whose sum is σ = 98999712. Its totient is φ = 48320960.

The previous prime is 73365601. The next prime is 73365613. The reversal of 73365609 is 90656337.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73365609 - 2³ = 73365601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73365601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147072 + ... + 147569.

It is an arithmetic number, because the mean of its divisors is an integer number (12374964).

Almost surely, 2^73365609 is an apocalyptic number.

It is an amenable number.

73365609 is a deficient number, since it is larger than the sum of its proper divisors (25634103).

73365609 is a wasteful number, since it uses less digits than its factorization.

73365609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294727.

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 73365609 is about 8565.3726714020. The cubic root of 73365609 is about 418.6304767961.

The spelling of 73365609 in words is "seventy-three million, three hundred sixty-five thousand, six hundred nine".